~/senior-engineer/portfolio

const engineer = Lakshit Tyagi;

Senior Software Architect specializing in distributed systems, microservices architecture, and scalable cloud infrastructure

System Design

Years architecting high-availability systems handling millions of requests/day

Performance

99.9%

Average uptime across production systems through robust infrastructure & monitoring

Code Impact

50+

Production deployments with zero-downtime migrations and automated CI/CD pipelines

core_technologies.stack[]

Node.js

TypeScript

React

Angular

Docker

Kubernetes

AWS

PostgreSQL

MongoDB

Redis

GraphQL

REST APIs

Microservices

CI/CD

Terraform

Jenkins

System Architecture & Design

Expert in designing and implementing scalable, fault-tolerant systems. Proven track record of migrating monolithic applications to microservices, optimizing database performance, and reducing infrastructure costs.

Microservices Architecture

CORE

Designed and deployed distributed microservices architectures with event-driven communication, service mesh implementation, and comprehensive observability.

Service decomposition & domain-driven design
API gateway patterns & rate limiting
Circuit breakers & retry mechanisms
Event sourcing & CQRS patterns
Inter-service authentication with JWT/OAuth2

Cloud Infrastructure

AWS

Infrastructure as Code specialist with experience in multi-region deployments, auto-scaling strategies, and cost optimization achieving 40% reduction in cloud spend.

Terraform & CloudFormation automation
EC2, ECS, Lambda serverless architectures
VPC design, load balancing, CDN integration
S3, RDS, DynamoDB data layer strategies
Monitoring with CloudWatch & Prometheus

Database Architecture

DATA

Polyglot persistence expert with hands-on experience in SQL/NoSQL database design, query optimization reducing response times by 80%, and data migration strategies.

Schema design & normalization strategies
Query optimization & indexing techniques
Replication & sharding implementations
Caching layers with Redis/Memcached
Database migration with zero downtime

DevOps & CI/CD

OPS

Built automated deployment pipelines achieving 15+ daily deployments with automated testing, security scanning, and progressive rollouts.

Jenkins, GitHub Actions pipeline design
Docker containerization & orchestration
Kubernetes deployment strategies
Blue-green & canary deployments
Automated testing & code quality gates

System Design Patterns

Production-grade implementations of advanced architectural patterns and clean code principles

system-architecture.ts

                        
                        // Resilient microservice with circuit breaker pattern
                    
                        interface ServiceConfig {
                    
                          timeout: number;
                    
                          retryAttempts: number;
                    
                          circuitBreakerThreshold: number;
                    
                        }
                    
                        class ResilientService {
                    
                          private failureCount = 0;
                    
                          private state: 'CLOSED' | 'OPEN' | 'HALF_OPEN' = 'CLOSED';
                    
                          async executeWithRetry(operation: Function) {
                    
                            if (this.state === 'OPEN') {
                    
                              throw new Error('Circuit breaker is OPEN');
                    
                            }
                    
                            // Retry logic with exponential backoff...
                    
                          }
                    
                        }

Professional Journey

Track record of delivering complex software solutions across various domains and technologies

2021 - Present

Senior Software Architect

Tech Innovation Corp

Led migration of monolithic e-commerce platform to microservices architecture, reducing deployment time by 70% and improving system reliability to 99.9% uptime. Architected real-time analytics pipeline processing 10M+ events daily.

Kubernetes AWS Node.js PostgreSQL Redis Kafka

2019 - 2021

Full Stack Engineer

Digital Solutions Ltd

Built scalable REST APIs serving 5M+ requests/day. Implemented CI/CD pipelines reducing deployment time from hours to minutes. Optimized database queries achieving 80% performance improvement.

React Express.js MongoDB Docker Jenkins

2017 - 2019

Software Developer

StartUp Ventures

Developed customer-facing web applications with Angular and Node.js. Collaborated with cross-functional teams to deliver features on tight deadlines. Implemented automated testing achieving 85% code coverage.

Angular TypeScript MySQL AWS EC2